ALEXANDRIA, Va., July 16 -- United States Patent no. 12,363,379, issued on July 15, was assigned to Manufacturing Resources International Inc. (Alpharetta, Ga.).

"Proof of play for images displayed at electronic displays" was invented by William Dunn (Alpharetta, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A proof of play information system, and related assemblies and methods are provided. Electronic display assemblies include media players providing content for display at electronic displays thereof, some of which includes static advertising images. A unit controller is electronically interposed between the media player and the electronic display. Redundancy check codes are generated for the content ...